Home / 27,778.17-38,327.94-16,451.22

Finding the Fourth Proportional to 27,778.17, 38,327.94 and 16,451.22

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Solution

The fourth proportional to 27,778.17, 38,327.94 and 16,451.22 is: 22,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,778.17 : 38,327.94 = 16,451.22 : x
  2. Step 2: Convert to fraction form
    27,778.17/38,327.94 = 16,451.22/x
  3. Step 3: Cross multiply
    27,778.17x = 38,327.94 × 16,451.22
  4. Step 4: Simplify right side
    27,778.17x = 630,541,373.09
  5. Step 5: Solve for x
    x = 630,541,373.09/27,778.17
  6. Step 6: Final answer
    x = 22,699.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.